# COLORWAND vs E3 ES

The clearest difference is review sentiment: E3 ES at 100% against COLORWAND's 4%. COLORWAND's advantage is iOS requirement (13.4 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COLORWAND ships an update monthly, E3 ES every 3 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | COLORWAND | E3 ES |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (38 ratings)](https://appshunter.io/ios/app/colorwand/id1178742296/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 3.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 85 MB | 53 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Variable Technologies LLC](https://appshunter.io/developer/569541572) | [Webtrack S.A.](https://appshunter.io/developer/947248143) |

## What reviewers say

### COLORWAND

[App page](https://appshunter.io/ios/app/colorwand/id1178742296)

Easily scan, identify, and organize colors from any surface. This app helps you find matching paint and material products, create custom palettes, and share color inspiration with others. It streamlines the entire color selection process for both professionals and DIY enthusiasts.

**Highlights:** Scan and identify colors instantly, Match colors to paint and material libraries, Create and organize custom color palettes, Share color palettes with others, Cross-reference colors between brands, Attach pictures to palettes

**Features:** macOS Compatibility

**In-app purchases:** none


### E3 ES

[App page](https://appshunter.io/ios/app/e3-es/id6596773560)

This application helps track information related to HVAC systems and other building infrastructure. It is designed for professionals involved in designing and upgrading buildings with high-efficiency systems.

**Highlights:** Track HVAC system information, Monitor building infrastructure, Support for high-efficiency systems, Designed for building upgrades, Data tracking for professionals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COLORWAND free?

COLORWAND is free to download, with no in-app purchases.

### Is E3 ES free?

E3 ES is free to download, with no in-app purchases.

### Do COLORWAND or E3 ES have ads?

Neither COLORWAND nor E3 ES shows ads.

### Which is updated more often, COLORWAND or E3 ES?

COLORWAND ships an update monthly, and E3 ES every 3 weeks. Most recently, COLORWAND was updated on October 14, 2026 and E3 ES on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*